import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet("/index")
public class Index extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        HttpSession session = req.getSession(false);
        if(session == null) {
            resp.setContentType("text/html; charset=utf8");
            resp.getWriter().write("您当前还未未登入 !");
            return;
        }
        String userName = (String)session.getAttribute("userName");
        Long longTime = (Long)session.getAttribute("longTime");
        resp.setContentType("text/html; charset=utf8");
        String respBody = "欢迎" + userName + " ! 上次登入时间: " + longTime;
        resp.getWriter().write(respBody);
    }
}
